SiEnergy to Acquire EPCOR's Hughes Gas Resources in Texas for $60 Million

NextEra Energy Resources Acquires Symmetry Energy Solutions from Energy Capital Partners

January 9, 2026

Energy

NextEra Energy Resources (a unit of NextEra Energy, Inc.) has acquired Symmetry Energy Solutions from private equity firm Energy Capital Partners (ECP). The acquisition expands NextEra's natural gas supply, logistics and asset-management capabilities; Symmetry is a Houston-based retail natural gas supplier serving thousands of commercial and industrial customers.

Northwest Natural Holding Company to Acquire SiEnergy Operating, LLC

January 8, 2025

Utilities

Northwest Natural Holding Company (NYSE: NWN) entered into an agreement to acquire SiEnergy Operating, LLC from SiEnergy Capital Partners, LLC for $273 million in cash plus the assumption of $152 million of debt. Ridgewood Infrastructure announced the successful sale of its 80% interest in SiEnergy to Northwest Natural.

Energy Capital Partners Acquires Majority Interest in PROENERGY

September 5, 2024

Energy

Energy Capital Partners (ECP) has acquired a majority interest in PROENERGY Holdings, a vertically integrated aeroderivative gas turbine platform with a 2.4 GW fleet of contracted peakers and global turbine services. The transaction (terms not disclosed) transfers control from affiliates of Eos Partners and ACON Investments to ECP, which will support PROENERGY's platform expansion, growth initiatives, and continued operations under existing leadership.

Phillips 66 Acquires Pinnacle Midstream from Energy Spectrum Capital

May 20, 2024

Energy

Phillips 66 has agreed to acquire Pinnacle Midland Parent LLC (Pinnacle Midstream II) from private equity firm Energy Spectrum Capital for $550 million to expand its natural gas gathering and processing footprint in the Midland Basin. The assets include the Dos Picos 220 MMcf/d processing plant, ~80 miles of gathering pipeline and 50,000 dedicated acres; the deal is expected to close mid‑2024 subject to customary conditions, including HSR clearance.

Southwestern Energy Acquires GEP Haynesville LLC

December 31, 2021

Oil & Gas

Southwestern Energy Company has closed the acquisition of GEP Haynesville, LLC, expanding its scale and inventory in the Haynesville natural gas basin. The deal was funded in part by a $1.15 billion senior notes offering and a $550 million institutional term loan and is expected to strengthen Southwestern's financial metrics and presence in premier U.S. gas basins.

Ridgewood Infrastructure Acquires SiEnergy, LP

September 30, 2019

Utilities

Ridgewood Infrastructure LLC has acquired SiEnergy, LP, a regulated natural gas local distribution company serving roughly 25,000 customers across the Houston, Dallas–Fort Worth and Austin, Texas metropolitan areas. Ridgewood said the deal expands its portfolio of essential infrastructure assets and will support SiEnergy’s continued growth under its existing management team.